Portable chock block holder



FIG. 1 is a front elevational view of the portable chock block holder showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The straps shown in FIGS. 1,2, 5 and 6 are shown broken away to indicate indeterminate length. 

The ornamental design for a portable chock block holder, as shown and described. 